Page MenuHome
Differential D8762 Diff 28333 extern/bullet2/src/BulletCollision/Gimpact/gim_memory.h

Changeset View

Standalone View

View Options

extern/bullet2/src/BulletCollision/Gimpact/gim_memory.h

Show All 26 Lines
This library is distributed in the hope that it will be useful, This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files
GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details. GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details.
----------------------------------------------------------------------------- -----------------------------------------------------------------------------
*/ */
#include "gim_math.h" #include "gim_math.h"
#include <string.h> #include <string.h>
#ifdef PREFETCH #ifdef PREFETCH
#include <xmmintrin.h> // for prefetch #include <xmmintrin.h> // for prefetch
#define pfval 64 #define pfval 64
#define pfval2 128 #define pfval2 128
//! Prefetch 64 //! Prefetch 64
#define pf(_x,_i) _mm_prefetch((void *)(_x + _i + pfval), 0) #define pf(_x, _i) _mm_prefetch((void *)(_x + _i + pfval), 0)
//! Prefetch 128 //! Prefetch 128
#define pf2(_x,_i) _mm_prefetch((void *)(_x + _i + pfval2), 0) #define pf2(_x, _i) _mm_prefetch((void *)(_x + _i + pfval2), 0)
#else #else
//! Prefetch 64 //! Prefetch 64
#define pf(_x,_i) #define pf(_x, _i)
//! Prefetch 128 //! Prefetch 128
#define pf2(_x,_i) #define pf2(_x, _i)
#endif #endif
///Functions for manip packed arrays of numbers ///Functions for manip packed arrays of numbers
#define GIM_COPY_ARRAYS(dest_array,source_array,element_count)\ #define GIM_COPY_ARRAYS(dest_array, source_array, element_count) \
{\ { \
for (GUINT _i_=0;_i_<element_count ;++_i_)\ for (GUINT _i_ = 0; _i_ < element_count; ++_i_) \
{\ { \
dest_array[_i_] = source_array[_i_];\ dest_array[_i_] = source_array[_i_]; \
}\ } \
}\ }
#define GIM_COPY_ARRAYS_1(dest_array,source_array,element_count,copy_macro)\ #define GIM_COPY_ARRAYS_1(dest_array, source_array, element_count, copy_macro) \
{\ { \
for (GUINT _i_=0;_i_<element_count ;++_i_)\ for (GUINT _i_ = 0; _i_ < element_count; ++_i_) \
{\ { \
copy_macro(dest_array[_i_],source_array[_i_]);\ copy_macro(dest_array[_i_], source_array[_i_]); \
}\ } \
}\ }
#define GIM_ZERO_ARRAY(array,element_count)\ #define GIM_ZERO_ARRAY(array, element_count) \
{\ { \
for (GUINT _i_=0;_i_<element_count ;++_i_)\ for (GUINT _i_ = 0; _i_ < element_count; ++_i_) \
{\ { \
array[_i_] = 0;\ array[_i_] = 0; \
}\ } \
}\ }
#define GIM_CONSTANT_ARRAY(array,element_count,constant)\ #define GIM_CONSTANT_ARRAY(array, element_count, constant) \
{\ { \
for (GUINT _i_=0;_i_<element_count ;++_i_)\ for (GUINT _i_ = 0; _i_ < element_count; ++_i_) \
{\ { \
array[_i_] = constant;\ array[_i_] = constant; \
}\ } \
}\ }
///Function prototypes to allocate and free memory. ///Function prototypes to allocate and free memory.
typedef void * gim_alloc_function (size_t size); typedef void *gim_alloc_function(size_t size);
typedef void * gim_alloca_function (size_t size);//Allocs on the heap typedef void *gim_alloca_function(size_t size); //Allocs on the heap
typedef void * gim_realloc_function (void *ptr, size_t oldsize, size_t newsize); typedef void *gim_realloc_function(void *ptr, size_t oldsize, size_t newsize);
typedef void gim_free_function (void *ptr); typedef void gim_free_function(void *ptr);
///Memory Function Handlers ///Memory Function Handlers
///set new memory management functions. if fn is 0, the default handlers are used. ///set new memory management functions. if fn is 0, the default handlers are used.
void gim_set_alloc_handler (gim_alloc_function *fn); void gim_set_alloc_handler(gim_alloc_function *fn);
void gim_set_alloca_handler (gim_alloca_function *fn); void gim_set_alloca_handler(gim_alloca_function *fn);
void gim_set_realloc_handler (gim_realloc_function *fn); void gim_set_realloc_handler(gim_realloc_function *fn);
void gim_set_free_handler (gim_free_function *fn); void gim_set_free_handler(gim_free_function *fn);
///get current memory management functions. ///get current memory management functions.
gim_alloc_function *gim_get_alloc_handler (void); gim_alloc_function *gim_get_alloc_handler(void);
gim_alloca_function *gim_get_alloca_handler(void); gim_alloca_function *gim_get_alloca_handler(void);
gim_realloc_function *gim_get_realloc_handler (void); gim_realloc_function *gim_get_realloc_handler(void);
gim_free_function *gim_get_free_handler (void); gim_free_function *gim_get_free_handler(void);
///Standar Memory functions ///Standar Memory functions
void * gim_alloc(size_t size); void *gim_alloc(size_t size);
void * gim_alloca(size_t size); void *gim_alloca(size_t size);
void * gim_realloc(void *ptr, size_t oldsize, size_t newsize); void *gim_realloc(void *ptr, size_t oldsize, size_t newsize);
void gim_free(void *ptr); void gim_free(void *ptr);
#if defined (_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) #if defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
#define GIM_SIMD_MEMORY 1 #define GIM_SIMD_MEMORY 1
#endif #endif
//! SIMD POINTER INTEGER //! SIMD POINTER INTEGER
#define SIMD_T GUINT64 #define SIMD_T GUINT64
//! SIMD INTEGER SIZE //! SIMD INTEGER SIZE
#define SIMD_T_SIZE sizeof(SIMD_T) #define SIMD_T_SIZE sizeof(SIMD_T)
inline void gim_simd_memcpy(void * dst, const void * src, size_t copysize) inline void gim_simd_memcpy(void *dst, const void *src, size_t copysize)
{ {
#ifdef GIM_SIMD_MEMORY #ifdef GIM_SIMD_MEMORY
/* /*
//'long long int' is incompatible with visual studio 6... //'long long int' is incompatible with visual studio 6...
//copy words //copy words
SIMD_T * ui_src_ptr = (SIMD_T *)src; SIMD_T * ui_src_ptr = (SIMD_T *)src;
SIMD_T * ui_dst_ptr = (SIMD_T *)dst; SIMD_T * ui_dst_ptr = (SIMD_T *)dst;
while(copysize>=SIMD_T_SIZE) while(copysize>=SIMD_T_SIZE)
{ {
*(ui_dst_ptr++) = *(ui_src_ptr++); *(ui_dst_ptr++) = *(ui_src_ptr++);
copysize-=SIMD_T_SIZE; copysize-=SIMD_T_SIZE;
} }
if(copysize==0) return; if(copysize==0) return;
*/ */
char * c_src_ptr = (char *)src; char *c_src_ptr = (char *)src;
char * c_dst_ptr = (char *)dst; char *c_dst_ptr = (char *)dst;
while(copysize>0) while (copysize > 0)
{ {
*(c_dst_ptr++) = *(c_src_ptr++); *(c_dst_ptr++) = *(c_src_ptr++);
copysize--; copysize--;
} }
return; return;
#else #else
memcpy(dst,src,copysize); memcpy(dst, src, copysize);
#endif #endif
} }
template<class T> template <class T>
inline void gim_swap_elements(T* _array,size_t _i,size_t _j) inline void gim_swap_elements(T *_array, size_t _i, size_t _j)
{ {
T _e_tmp_ = _array[_i]; T _e_tmp_ = _array[_i];
_array[_i] = _array[_j]; _array[_i] = _array[_j];
_array[_j] = _e_tmp_; _array[_j] = _e_tmp_;
} }
template<class T> template <class T>
inline void gim_swap_elements_memcpy(T* _array,size_t _i,size_t _j) inline void gim_swap_elements_memcpy(T *_array, size_t _i, size_t _j)
{ {
char _e_tmp_[sizeof(T)]; char _e_tmp_[sizeof(T)];
gim_simd_memcpy(_e_tmp_,&_array[_i],sizeof(T)); gim_simd_memcpy(_e_tmp_, &_array[_i], sizeof(T));
gim_simd_memcpy(&_array[_i],&_array[_j],sizeof(T)); gim_simd_memcpy(&_array[_i], &_array[_j], sizeof(T));
gim_simd_memcpy(&_array[_j],_e_tmp_,sizeof(T)); gim_simd_memcpy(&_array[_j], _e_tmp_, sizeof(T));
} }
template <int SIZE> template <int SIZE>
inline void gim_swap_elements_ptr(char * _array,size_t _i,size_t _j) inline void gim_swap_elements_ptr(char *_array, size_t _i, size_t _j)
{ {
char _e_tmp_[SIZE]; char _e_tmp_[SIZE];
_i*=SIZE; _i *= SIZE;
_j*=SIZE; _j *= SIZE;
gim_simd_memcpy(_e_tmp_,_array+_i,SIZE); gim_simd_memcpy(_e_tmp_, _array + _i, SIZE);
gim_simd_memcpy(_array+_i,_array+_j,SIZE); gim_simd_memcpy(_array + _i, _array + _j, SIZE);
gim_simd_memcpy(_array+_j,_e_tmp_,SIZE); gim_simd_memcpy(_array + _j, _e_tmp_, SIZE);
} }
#endif // GIM_MEMORY_H_INCLUDED #endif // GIM_MEMORY_H_INCLUDED